code: def tearDown(self):
      self.get_database_catalog_entry_patcher.stop()
      self.execute_native_query_patcher.stop()
      self.connect_patcher.stop()
      self.disconnect_patcher.stop()
  
file_path: evadb/test/unit_tests/storage/test_clickhouse_native_storage_engine.py
imports: import unittest
  from test.util import get_evadb_for_testing
  from unittest.mock import patch
  import pytest
  from evadb.catalog.models.utils import DatabaseCatalogEntry
  from evadb.server.command_handler import execute_query_fetch_all
label_desc: Use image node_id 4 for calling the ClickHouseNativeStorageEngineTest obj's underlying member method code with example usage: obj.tearDown() without return types